Can ChatGPT Counter Vaccine Hesitancy? An Evaluation of ChatGPT’s Responses to Simulated Queries from the General Public.

Publication date: May 27, 2025

Background: Vaccines have eradicated deadly diseases, yet vaccine hesitancy persists, leading to reduced uptake. Some individuals, mistrustful of healthcare providers, may turn to tools like ChatGPT for information. We evaluated ChatGPT’s responses to common vaccine hesitancy questions. Methods: Infectious disease physicians compiled 15 frequently encountered questions relating to vaccine hesitancy, focusing on concerns about efficacy, adverse effects, and cultural or religious issues, and submitted them to ChatGPT on 18 October 2023. Two independent physicians assessed the responses for factual accuracy and alignment with recommendations from the U. S. Centers for Disease Control and Prevention’s Advisory Committee on Immunization Practices (ACIP). Results: A representative selection of responses is shown. ChatGPT consistently provided fact-based, reassuring responses. For instance, it accurately addressed the benefits of male HPV vaccination; however, it failed to consider ACIP’s age-specific recommendations and individual sexual health factors. While correcting mRNA vaccine misconceptions, it did not mention the availability of non-mRNA COVID-19 vaccines. It also lacked depth in discussing religious objections, deferring users to faith leaders and providers. Conclusions: ChatGPT provides generally accurate information and may be a useful adjunct in addressing vaccine hesitancy. With refinement, it could complement public health efforts to improve vaccine confidence and counter misinformation.

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Concepts Keywords
Chatgpt artificial intelligence
Mistrustful ChatGPT
October education
Physicians vaccinations
Vaccine vaccine hesitancy

Semantics

Type Source Name
disease MESH Infectious disease
pathway REACTOME Infectious disease
drug DRUGBANK Coenzyme M
disease MESH COVID 19 pandemic
disease MESH morbidity
disease MESH information sources
disease IDO production
disease MESH measles
pathway KEGG Measles
pathway REACTOME Immune System
disease MESH infection
disease MESH complications
disease IDO country
disease MESH cervical cancer
disease MESH oropharyngeal cancers
disease MESH genital warts
disease IDO infectious agent
disease MESH autism
disease MESH egg allergies
disease MESH uncertainty
disease MESH allergic reaction
disease IDO cell
disease MESH myocarditis
disease MESH inflammation
disease MESH pericarditis
disease IDO bacteria
disease IDO deoxyribonucleic acid
disease IDO ribonucleic acid
disease MESH mumps
disease MESH rubella
drug DRUGBANK Methionine
disease MESH smallpox
disease MESH polio
disease IDO process
disease IDO intervention
disease MESH death
disease MESH long COVID
disease MESH Cancers
disease MESH pneumonia
disease MESH encephalitis
disease MESH brain death
disease IDO history
disease IDO immune response
disease IDO protein
disease MESH emergency
disease IDO site
drug DRUGBANK Isoxaflutole
drug DRUGBANK Sodium hydroxide
disease MESH influenza

Original Article

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